Home / 1,480,195.76-2,042,719.56-907,125.21

Finding the Fourth Proportional to 1,480,195.76, 2,042,719.56 and 907,125.21

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Solution

The fourth proportional to 1,480,195.76, 2,042,719.56 and 907,125.21 is: 1,251,863.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,195.76 : 2,042,719.56 = 907,125.21 : x
  2. Step 2: Convert to fraction form
    1,480,195.76/2,042,719.56 = 907,125.21/x
  3. Step 3: Cross multiply
    1,480,195.76x = 2,042,719.56 × 907,125.21
  4. Step 4: Simplify right side
    1,480,195.76x = 1,853,002,409,836.11
  5. Step 5: Solve for x
    x = 1,853,002,409,836.11/1,480,195.76
  6. Step 6: Final answer
    x = 1,251,863.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.